ia是InetAddress数组的变量引用,不能直接访问getHostAddress,要把数组中的对象一个一个拿出来
换一种方式吧
- import java.net.InetAddress;
- public class IPDemo {
- public static void main(String[] args) throws Exception {
-
- InetAddress i = InetAddress.getLocalHost();
- System.out.println(i);
-
- i = InetAddress.getByName("www.baidu.com");
- System.out.println(i);
- System.out.println(i.getHostAddress());
-
- System.out.println(i.getHostName());
- }
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